554 lines
21 KiB
TypeScript
554 lines
21 KiB
TypeScript
'use client';
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import { useState, useRef, useEffect, useCallback } from 'react';
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const API_URL = process.env.NEXT_PUBLIC_API_URL || '';
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const DB_NAME = 'bird-capture-queue';
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const STORE_NAME = 'pending';
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const MAX_IMAGE_PX = 1568; // Claude vision optimal max dimension
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// IndexedDB queue
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async function openDB(): Promise<IDBDatabase> {
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return new Promise((resolve, reject) => {
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const req = indexedDB.open(DB_NAME, 1);
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req.onupgradeneeded = () => req.result.createObjectStore(STORE_NAME, { keyPath: 'id' });
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req.onsuccess = () => resolve(req.result);
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req.onerror = () => reject(req.error);
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});
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}
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async function queueCapture(formData: FormData) {
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const db = await openDB();
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const id = Date.now().toString();
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const audio = formData.get('audio') as Blob | null;
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const image = formData.get('image') as Blob | null;
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return new Promise<void>((resolve, reject) => {
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const tx = db.transaction(STORE_NAME, 'readwrite');
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tx.objectStore(STORE_NAME).put({
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id,
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audio: audio || null,
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image: image || null,
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timestamp: new Date().toISOString(),
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});
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tx.oncomplete = () => resolve();
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tx.onerror = () => reject(tx.error);
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});
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}
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async function getPendingCaptures(): Promise<any[]> {
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const db = await openDB();
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return new Promise((resolve, reject) => {
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const tx = db.transaction(STORE_NAME, 'readonly');
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const req = tx.objectStore(STORE_NAME).getAll();
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req.onsuccess = () => resolve(req.result);
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req.onerror = () => reject(req.error);
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});
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}
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async function removeCapture(id: string) {
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const db = await openDB();
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return new Promise<void>((resolve, reject) => {
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const tx = db.transaction(STORE_NAME, 'readwrite');
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tx.objectStore(STORE_NAME).delete(id);
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tx.oncomplete = () => resolve();
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tx.onerror = () => reject(tx.error);
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});
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}
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// Resize image client-side before upload
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async function resizeImage(file: File): Promise<Blob> {
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return new Promise((resolve) => {
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const img = new Image();
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const url = URL.createObjectURL(file);
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img.onload = () => {
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URL.revokeObjectURL(url);
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const { width, height } = img;
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const maxDim = MAX_IMAGE_PX;
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let w = width, h = height;
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if (w > maxDim || h > maxDim) {
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if (w > h) { h = Math.round(h * maxDim / w); w = maxDim; }
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else { w = Math.round(w * maxDim / h); h = maxDim; }
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}
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const canvas = document.createElement('canvas');
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canvas.width = w;
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canvas.height = h;
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const ctx = canvas.getContext('2d')!;
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ctx.drawImage(img, 0, 0, w, h);
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canvas.toBlob((blob) => resolve(blob!), 'image/jpeg', 0.88);
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};
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img.src = url;
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});
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}
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async function submitCapture(audio: Blob | null, image: Blob | null): Promise<boolean> {
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try {
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const form = new FormData();
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if (audio) form.append('audio', audio, 'capture.webm');
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if (image) form.append('image', image, 'capture.jpg');
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const res = await fetch(`${API_URL}/api/capture`, { method: 'POST', body: form });
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return res.ok;
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} catch {
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return false;
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}
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}
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type CaptureMode = 'idle' | 'image-selected' | 'recording' | 'submitting' | 'saved' | 'queued' | 'error';
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export default function CapturePage() {
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const [mode, setMode] = useState<CaptureMode>('idle');
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const [imagePreview, setImagePreview] = useState<string | null>(null);
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const [imageBlob, setImageBlob] = useState<Blob | null>(null);
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const [countdown, setCountdown] = useState(0);
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const [pendingCount, setPendingCount] = useState(0);
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const [recentCaptures, setRecentCaptures] = useState<{name: string}[]>([]);
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const mediaRecorderRef = useRef<MediaRecorder | null>(null);
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const chunksRef = useRef<Blob[]>([]);
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const streamRef = useRef<MediaStream | null>(null);
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const wakeLockRef = useRef<any>(null);
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const countdownRef = useRef<any>(null);
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const mimeTypeRef = useRef('audio/webm');
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const fileInputRef = useRef<HTMLInputElement>(null);
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const MAX_SECONDS = 120; // shorter for annotation — 2 min max
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useEffect(() => {
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loadRecentCaptures();
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checkPending();
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window.addEventListener('focus', retryQueue);
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window.addEventListener('online', retryQueue);
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return () => {
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window.removeEventListener('focus', retryQueue);
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window.removeEventListener('online', retryQueue);
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};
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}, []);
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async function loadRecentCaptures() {
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try {
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const res = await fetch(`${API_URL}/api/captures`);
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if (res.ok) {
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const data = await res.json();
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setRecentCaptures(data.captures || []);
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}
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} catch {}
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}
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async function checkPending() {
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try {
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const p = await getPendingCaptures();
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setPendingCount(p.length);
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} catch {}
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}
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async function retryQueue() {
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try {
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const pending = await getPendingCaptures();
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for (const item of pending) {
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const ok = await submitCapture(item.audio, item.image);
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if (ok) await removeCapture(item.id);
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}
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const remaining = await getPendingCaptures();
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setPendingCount(remaining.length);
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if (remaining.length < pending.length) loadRecentCaptures();
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} catch {}
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}
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// ── Image selection ────────────────────────────────────────────────────────
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function handleCameraClick() {
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fileInputRef.current?.click();
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}
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async function handleImageSelected(e: React.ChangeEvent<HTMLInputElement>) {
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const file = e.target.files?.[0];
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if (!file) return;
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const resized = await resizeImage(file);
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setImageBlob(resized);
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const preview = URL.createObjectURL(resized);
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setImagePreview(preview);
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setMode('image-selected');
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// Reset input so same file can be reselected
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e.target.value = '';
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}
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function clearImage() {
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if (imagePreview) URL.revokeObjectURL(imagePreview);
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setImagePreview(null);
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setImageBlob(null);
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setMode('idle');
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stopRecording();
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}
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// ── Voice recording ────────────────────────────────────────────────────────
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async function acquireWakeLock() {
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try {
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if ('wakeLock' in navigator) {
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wakeLockRef.current = await (navigator as any).wakeLock.request('screen');
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}
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} catch {}
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}
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function releaseWakeLock() {
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wakeLockRef.current?.release();
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wakeLockRef.current = null;
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}
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async function startRecording() {
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try {
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if (!streamRef.current || streamRef.current.getTracks().every(t => t.readyState === 'ended')) {
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streamRef.current = await navigator.mediaDevices.getUserMedia({ audio: true });
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}
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const mimeType = MediaRecorder.isTypeSupported('audio/webm') ? 'audio/webm'
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: MediaRecorder.isTypeSupported('audio/mp4') ? 'audio/mp4' : 'audio/ogg';
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mimeTypeRef.current = mimeType;
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chunksRef.current = [];
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const mr = new MediaRecorder(streamRef.current, { mimeType });
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mr.ondataavailable = e => { if (e.data.size > 0) chunksRef.current.push(e.data); };
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mr.onstop = async () => {
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streamRef.current?.getTracks().forEach(t => t.stop());
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streamRef.current = null;
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if (chunksRef.current.length === 0) {
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// No audio recorded — submit image only
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await submitFinal(null);
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return;
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}
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const audioBlob = new Blob(chunksRef.current, { type: mimeTypeRef.current });
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await submitFinal(audioBlob);
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};
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mr.start(1000);
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mediaRecorderRef.current = mr;
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setMode('recording');
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setCountdown(MAX_SECONDS);
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await acquireWakeLock();
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countdownRef.current = setInterval(() => {
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setCountdown(prev => {
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if (prev <= 1) { stopRecording(); return 0; }
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return prev - 1;
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});
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}, 1000);
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} catch {
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setMode('error');
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setTimeout(() => setMode(imageBlob ? 'image-selected' : 'idle'), 3000);
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}
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}
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function stopRecording() {
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if (countdownRef.current) { clearInterval(countdownRef.current); countdownRef.current = null; }
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releaseWakeLock();
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if (mediaRecorderRef.current?.state === 'recording') {
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mediaRecorderRef.current.stop();
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}
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}
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// ── Submission ─────────────────────────────────────────────────────────────
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async function submitFinal(audioBlob: Blob | null) {
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setMode('submitting');
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const ok = await submitCapture(audioBlob, imageBlob);
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if (ok) {
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setMode('saved');
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if (imagePreview) URL.revokeObjectURL(imagePreview);
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setImagePreview(null);
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setImageBlob(null);
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await loadRecentCaptures();
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setTimeout(() => setMode('idle'), 3000);
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} else {
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try {
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const form = new FormData();
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if (audioBlob) form.append('audio', audioBlob, 'capture.webm');
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if (imageBlob) form.append('image', imageBlob, 'capture.jpg');
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await queueCapture(form);
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await checkPending();
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setMode('queued');
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} catch {
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setMode('error');
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}
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if (imagePreview) URL.revokeObjectURL(imagePreview);
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setImagePreview(null);
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setImageBlob(null);
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setTimeout(() => setMode('idle'), 4000);
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}
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}
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async function submitImageOnly() {
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await submitFinal(null);
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}
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// ── Tap handler for voice button ───────────────────────────────────────────
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function handleVoiceTap() {
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if (mode === 'recording') stopRecording();
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else if (mode === 'image-selected') startRecording();
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else if (mode === 'idle') startRecording(); // voice-only capture
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}
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const isRecording = mode === 'recording';
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const isBusy = mode === 'submitting';
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const hasImage = imageBlob !== null;
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return (
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<div style={{
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minHeight: '100dvh',
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background: 'var(--bg)',
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display: 'flex',
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flexDirection: 'column',
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alignItems: 'center',
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justifyContent: 'space-between',
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paddingTop: 'max(48px, env(safe-area-inset-top))',
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paddingBottom: 'max(32px, env(safe-area-inset-bottom))',
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paddingLeft: 'max(24px, env(safe-area-inset-left))',
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paddingRight: 'max(24px, env(safe-area-inset-right))',
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fontFamily: 'var(--font-mono)',
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}}>
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{/* Header */}
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<div style={{ textAlign: 'center' }}>
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<p style={{ fontSize: '10px', letterSpacing: '0.15em', color: 'var(--text3)', textTransform: 'uppercase', margin: 0 }}>
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Bird — field recorder
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</p>
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{pendingCount > 0 && (
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<p style={{ fontSize: '9px', color: '#c8821a', letterSpacing: '0.1em', margin: '4px 0 0', textTransform: 'uppercase' }}>
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{pendingCount} capture{pendingCount > 1 ? 's' : ''} queued
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</p>
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)}
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</div>
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{/* Main area */}
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<div style={{ display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '28px', width: '100%', maxWidth: '320px' }}>
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{/* Image preview */}
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{imagePreview && (
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<div style={{ position: 'relative', width: '100%' }}>
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<img
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src={imagePreview}
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alt="capture preview"
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style={{
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width: '100%',
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maxHeight: '240px',
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objectFit: 'cover',
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borderRadius: '12px',
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border: '1px solid var(--border)',
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display: 'block',
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}}
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/>
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<button
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onClick={clearImage}
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style={{
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position: 'absolute', top: '8px', right: '8px',
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background: 'rgba(0,0,0,0.6)', border: 'none',
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borderRadius: '50%', width: '28px', height: '28px',
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color: '#fff', cursor: 'pointer', fontSize: '16px',
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display: 'flex', alignItems: 'center', justifyContent: 'center',
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}}
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>×</button>
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</div>
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)}
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{/* Waveform — shows during recording */}
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{isRecording && (
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<div style={{ display: 'flex', alignItems: 'center', gap: '3px', height: '32px' }}>
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{[4,8,16,6,24,10,32,14,20,8,12,28,6,18,4].map((h, i) => (
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<div key={i} style={{
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width: '2px', height: `${h}px`, background: 'var(--accent)', borderRadius: '1px',
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animation: `wave ${0.8 + (i % 4) * 0.2}s ease-in-out infinite alternate`,
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}} />
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))}
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</div>
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)}
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{/* Capture buttons row */}
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<div style={{ display: 'flex', gap: '24px', alignItems: 'center', justifyContent: 'center' }}>
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{/* Camera button — always visible, opens image picker */}
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<button
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onClick={handleCameraClick}
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disabled={isBusy || isRecording}
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style={{
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width: '72px', height: '72px', borderRadius: '50%',
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border: `1.5px solid ${hasImage ? 'var(--accent)' : 'var(--border2)'}`,
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background: hasImage ? 'var(--accent-light)' : 'var(--bg2)',
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cursor: isBusy || isRecording ? 'not-allowed' : 'pointer',
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display: 'flex', alignItems: 'center', justifyContent: 'center',
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transition: 'all 0.2s', touchAction: 'manipulation',
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opacity: isBusy || isRecording ? 0.5 : 1,
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}}
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aria-label="Take photo or choose image"
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>
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<svg width="24" height="24" viewBox="0 0 24 24" fill="none"
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stroke={hasImage ? 'var(--accent)' : 'var(--text3)'} strokeWidth="1.5">
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<path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"/>
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<circle cx="12" cy="13" r="4"/>
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</svg>
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</button>
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{/* Mic / submit button — large center */}
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<button
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onPointerUp={handleVoiceTap}
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disabled={isBusy}
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style={{
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width: '120px', height: '120px', borderRadius: '50%',
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border: `1.5px solid ${isRecording ? '#a32d2d' : 'var(--accent)'}`,
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background: isRecording ? 'rgba(163,45,45,0.08)' : 'var(--bg2)',
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cursor: isBusy ? 'not-allowed' : 'pointer',
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display: 'flex', alignItems: 'center', justifyContent: 'center',
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transition: 'all 0.3s', touchAction: 'manipulation',
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animation: isBusy ? 'none' : isRecording ? 'recordPulse 1.5s ease-in-out infinite' : 'idlePulse 3s ease-in-out infinite',
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}}
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aria-label={isRecording ? 'Stop recording' : 'Record voice annotation'}
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>
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{isBusy ? (
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<svg width="24" height="24" viewBox="0 0 24 24" fill="currentColor" style={{ color: 'var(--accent)' }}>
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<circle cx="12" cy="12" r="3" opacity="0.6">
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<animate attributeName="opacity" values="0.6;1;0.6" dur="1s" repeatCount="indefinite"/>
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</circle>
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</svg>
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) : isRecording ? (
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<div style={{ width: '20px', height: '20px', background: '#a32d2d', borderRadius: '4px' }} />
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) : (
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<svg width="28" height="28" viewBox="0 0 24 24" fill="none" stroke="var(--accent)" strokeWidth="1.5">
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<path d="M12 1a4 4 0 0 1 4 4v6a4 4 0 0 1-8 0V5a4 4 0 0 1 4-4z"/>
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<path d="M5 11a7 7 0 0 0 14 0"/>
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<line x1="12" y1="18" x2="12" y2="22"/>
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<line x1="8" y1="22" x2="16" y2="22"/>
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</svg>
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)}
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</button>
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{/* Submit image-only button — visible only when image selected and not recording */}
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{hasImage && !isRecording && !isBusy ? (
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<button
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onClick={submitImageOnly}
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style={{
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width: '72px', height: '72px', borderRadius: '50%',
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border: '1.5px solid var(--accent)',
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background: 'var(--accent-light)',
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cursor: 'pointer',
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display: 'flex', alignItems: 'center', justifyContent: 'center',
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transition: 'all 0.2s', touchAction: 'manipulation',
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}}
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aria-label="Save image without annotation"
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>
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<svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="var(--accent)" strokeWidth="2">
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<polyline points="20 6 9 17 4 12"/>
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</svg>
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</button>
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) : (
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<div style={{ width: '72px', height: '72px' }} />
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)}
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</div>
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{/* Recording progress */}
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{isRecording && (
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<div style={{ width: '100%' }}>
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<div style={{ width: '100%', height: '2px', background: 'var(--border)', borderRadius: '1px', overflow: 'hidden', marginBottom: '6px' }}>
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<div style={{
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height: '100%',
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width: `${((MAX_SECONDS - countdown) / MAX_SECONDS) * 100}%`,
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background: countdown <= 15 ? '#a32d2d' : 'var(--accent)',
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borderRadius: '1px', transition: 'width 1s linear',
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}} />
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</div>
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<p style={{ fontSize: '10px', color: 'var(--text3)', margin: 0, textAlign: 'center' }}>
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{(() => {
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const rm = Math.floor(countdown / 60);
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const rs = countdown % 60;
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return `${rm}:${rs.toString().padStart(2,'0')} left`;
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})()}
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</p>
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</div>
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)}
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{/* Status */}
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<div style={{ textAlign: 'center', minHeight: '20px' }}>
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{mode === 'idle' && (
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<p style={{ fontSize: '10px', color: 'var(--text3)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
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tap camera or mic
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||
</p>
|
||
)}
|
||
{mode === 'image-selected' && (
|
||
<p style={{ fontSize: '10px', color: 'var(--text3)', letterSpacing: '0.10em', textTransform: 'uppercase', margin: 0 }}>
|
||
annotate with voice or save now
|
||
</p>
|
||
)}
|
||
{mode === 'recording' && (
|
||
<p style={{ fontSize: '10px', color: '#a32d2d', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
|
||
recording annotation
|
||
</p>
|
||
)}
|
||
{mode === 'submitting' && (
|
||
<p style={{ fontSize: '10px', color: 'var(--text3)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
|
||
{hasImage ? 'processing image...' : 'transcribing...'}
|
||
</p>
|
||
)}
|
||
{mode === 'saved' && (
|
||
<p style={{ fontSize: '10px', color: 'var(--accent)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
|
||
saved ✓
|
||
</p>
|
||
)}
|
||
{mode === 'queued' && (
|
||
<p style={{ fontSize: '10px', color: '#c8821a', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
|
||
queued — will sync when online
|
||
</p>
|
||
)}
|
||
{mode === 'error' && (
|
||
<p style={{ fontSize: '10px', color: '#a32d2d', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
|
||
error — try again
|
||
</p>
|
||
)}
|
||
</div>
|
||
</div>
|
||
|
||
{/* Recent captures */}
|
||
<div style={{ width: '100%', maxWidth: '320px' }}>
|
||
<p style={{ fontSize: '9px', color: 'var(--text3)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: '0 0 8px' }}>
|
||
recent captures
|
||
</p>
|
||
{recentCaptures.length === 0 ? (
|
||
<p style={{ fontSize: '10px', color: 'var(--text3)', margin: 0, opacity: 0.5 }}>none yet</p>
|
||
) : (
|
||
<div style={{ display: 'flex', flexDirection: 'column', gap: '5px' }}>
|
||
{recentCaptures.slice(0, 4).map((c, i) => (
|
||
<div key={i} style={{
|
||
display: 'flex', alignItems: 'center', gap: '8px', padding: '6px 10px',
|
||
background: 'var(--bg2)', borderRadius: '6px', border: '1px solid var(--border)',
|
||
}}>
|
||
<div style={{
|
||
width: '6px', height: '6px', borderRadius: '50%', flexShrink: 0,
|
||
background: c.name.includes('image') ? '#c8821a' : 'var(--accent)',
|
||
}} />
|
||
<span style={{ fontSize: '10px', color: 'var(--text2)', flex: 1, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
|
||
{c.name}
|
||
</span>
|
||
</div>
|
||
))}
|
||
</div>
|
||
)}
|
||
</div>
|
||
|
||
{/* Hidden file input */}
|
||
<input
|
||
ref={fileInputRef}
|
||
type="file"
|
||
accept="image/*"
|
||
onChange={handleImageSelected}
|
||
style={{ display: 'none' }}
|
||
/>
|
||
|
||
<style>{`
|
||
@keyframes idlePulse {
|
||
0%, 100% { box-shadow: 0 0 0 0 rgba(45,158,107,0); }
|
||
50% { box-shadow: 0 0 0 12px rgba(45,158,107,0.06); }
|
||
}
|
||
@keyframes recordPulse {
|
||
0%, 100% { box-shadow: 0 0 0 0 rgba(163,45,45,0); }
|
||
50% { box-shadow: 0 0 0 16px rgba(163,45,45,0.08); }
|
||
}
|
||
@keyframes wave {
|
||
from { transform: scaleY(0.4); }
|
||
to { transform: scaleY(1.4); }
|
||
}
|
||
`}</style>
|
||
</div>
|
||
);
|
||
}
|